Can't provision compute nodes: "Failed to load ldlinux.c32".

Where am I?

Can't provision compute nodes: "Failed to load ldlinux.c32"

This "cluster" is just bog-standard desktop hardware, super vanilla. The network cards are ConnectX-2 10G cards. They get through DHCP and IP address assignment, start trying to load the image but get stuck on this message. Does anyone know where to start troubleshooting?

Thanks to @Andrew Hill19 for helping me puzzle through this. The problem was that ConnectX-2 cards, like a lot of Mellanox cards, have trouble booting from http. Use the following sets of commands to switch back to tftp: